Celestial hemisphere:  Northern  ·  Constellation: Vulpecula (Vul)  ·  Contains:  Dumbbell nebula  ·  M 27  ·  NGC 6853  ·  PK060-03.1
M27, wadeh237
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M27

M27, wadeh237
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M27

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Description

M27 - The Dumbbell Nebula

This image was taken at Oregon Star Party in August 2017, just before the total eclipse. It is a bicolor narrowband image with RGB stars.

The total exposures are 89x180 seconds Ha, 92x180 second OIII, and 84x30, 88x30 and 81x30 RGB respectively.

The conditions were less than ideal, as I was experiencing significant differential flexure between the imaging scope and the guide scope. This limited the narrow band exposures to only 3 minutes before there was objectionable elongation in the stars. I have since set this scope up to be guided using an OAG.

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M27, wadeh237